@charset "utf-8";
/* 公共样式 */
/* 字符集声明 */
/* 内外边距默认样式去掉 */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
dl,
dd,
dt,
li,
ol {
  margin: 0;
  padding: 0;
}
/* 列表去掉小圆点 */
ul,
ol {
  list-style: none;
}
/* 去掉a的下划线 */
a {
  text-decoration: none;
}
/* 垂直对齐 */
img {
  vertical-align: bottom;
}
/* 左浮动 */
.fl{
  float: left;
}
/* 又浮动 */
.fr{
  float: right;
}
/* 清除浮动 */
.cf::after{
  content: "";
  clear: both;
  display: block;
}
/* 版心 */
.container {
  width: 1200px;
  margin: 0 auto;
}
* {
  box-sizing: border-box;
}
body {
  display: flex;
  flex-direction: column;
}
.bold {
  font-weight: bold;
}
.tr {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.fx {
  display: flex;
}
header {
  /* 保证屏幕最小宽度为版心宽度 */
  min-width: 1200px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  height: 70px;
  width: 100%;
  border-bottom: 1px solid #ccc;
  line-height: 70px;
  position: absolute;
  z-index: 50;
}
header a {
  color: #fff;
}
header .logodiv {
  height: 70px;
  width: 130px;
}
header .register {
  background-color: #ed510a;
  border: none;
  height: 30px;
  width: 90px;
  border-radius: 15px;
}
header .login {
  border: 1px solid green;
  padding: 3px 15px;
  border-radius: 25px;
  font-size: 14px;
  margin-right: 15px;
  border: 1px solid #ccc;
  background: rgba(255, 255, 255, 0.1);
}
header .img .logo {
  position: absolute;
  top: 50%;
  transform: translateY(-25%);
}
header nav {
  display: flex;
  justify-content: space-around;
}
header nav a {
  margin: 0 8px;
}
header nav a.active {
  padding-bottom: 20px;
  font-size: 18px;
  border-bottom: 2px solid #01bdff;
  line-height: 65px;
  color: #01bdff;
}
footer {
  height: 430px;
  padding-top: 50px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
footer .footerleft {
  display: flex;
  justify-content: space-between;
}
footer .ul1 {
  display: flex;
  height: 240px;
  width: 760px;
  justify-content: space-between;
}
footer .ul1 li {
  height: 240px;
  width: 115px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
footer h2 {
  margin-bottom: 30px;
  font-size: 18px;
  font-weight: bold;
}
footer a {
  display: block;
  color: #b8b8b8;
  margin: 15px 0;
}
footer .ul2 {
  height: 240px;
  width: 190px;
  text-align: right;
}
footer .ul2 img {
  width: 110px;
}
footer .copyright {
  display: flex;
  justify-content: space-between;
  color: #b8b8b8;
  height: 45px;
  line-height: 45px;
}
footer .copyright img {
  vertical-align: baseline;
}
.gotop {
  position: fixed;
  width: 50px;
  bottom: 50px;
  margin-left: 625px;
  height: 50px;
  left: 50%;
  cursor: pointer;
}
